What is what area code is 513?

The 513 area code is assigned to the southwestern part of Ohio, including the cities of Cincinnati, Hamilton, Lebanon, Middletown, and West Chester. The 513 area code was created in 1996 when it was split from the original 513/614 area code that covered all of Ohio. Today, the 513 area code covers an area of approximately 1,400 square miles and is home to more than 2 million residents. It is bordered by the 937 area code to the north, the 740 and 614 area codes to the east, the 859 and 606 area codes to the south, and the 937 and 765 area codes to the west.